/Engine/Source/Runtime/MovieScene/Public/Channels/MovieSceneChannelTraits.h
Check whether the specified value already exists at the specified time
true if this value already exists at the time, false otherwise
namespace UE { namespace MovieScene { template<typename ChannelType, typename ValueType> bool UE::MovieScene::ValueExistsAtTime ( const ChannelType * InChannel, [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) InTime, const ValueType & InValue ) } }